Here is a 47mins documentary video on a visit to North Korea, a peak inside one of the most isolated societies in the world. We model belief revision using logics and sometimes assume that agents revise the old beliefs according to the new information. But it is important to note that this process has never [...]

Why Did I Publish The Name Sanlu? (I Still Dream blog at Tianya.cn)  Why did I name Sanlu for having bad milk powder?  September 14, 2008. Sanlu has collapsed because of a storm over quality accountability created by my report <Fourteen Gansu infants suspected of getting kidney disease from Sanlu milk powder> in which I [...]

I read a nice article from the NewScientist magazine with title The PhD journey: how to choose a good supervisor. I think some principles are also true for choosing other relationships. Hope you will find this helpful.

I just learned that it was 25th birthday of GNU operating system yesterday. A guy called Stephen Fly, who is an English humorist, writer, wit, actor, novelist, filmmaker and television presenter, made a nice short video to tell you about GNU and free software. Notice that a laptop macbook air is beside him in the [...]